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Subsurface Based Contaminant Transport Modelling of SDS Nac12h25so4

Authors: P. Oliver jayaprakash; C. Mekala; M. Vishnu Priyan;

Subsurface Based Contaminant Transport Modelling of SDS Nac12h25so4

Abstract

Subsurface contamination by emerging contaminants from inappropriate effluent discharge is one of the serious issues directly affecting the quality of groundwater. This study is aimed at transport and transformations of anionic surfactant (SDS). Sodium Dodecyl Sulfate [NaC12H25SO4 ] from grey wastewater containing detergents in unsaturated soils and its impacts on groundwater. HYDRUS-1D model to predict the transport mechanisms was developed. In this regard, surfactant concentrations for SDS from the sewage treatment plant of KCET, Virudhunagar was taken for evaluation. This research work reveals that inlet, outlet, sludge with ample quantities of SDS concentrations (13, 9.55 and 15.67 mg/L). Soil irrigated with sewage was taken as primary sample. Soil column experiments were conducted first with tracer to calculate the dispersion at a flow rate of 1 cm/h, estimated to be 3.1cm. A series of transport experiments were started with 10 mg/L of SDS to comprehend the sorption tied biodegradation. It was observed that leaching phenomenon was the dominant process when compared to biodegradation and sorption. An initial concentration of 13.44 mg/L was administered and found 12 mg/L at the outlet. Hence, 1.44 mg/L underwent sorption and biodegradation. The model estimated linear sorption parameter with first order degradation coefficient 0.131cc/g and 0.01/h. The calibrated HYDRUS model was adopted to study the various scenarios with GWT depth of 30 m. The simulated SDS concentration at GWT of 30m is 4.13mg/litre.

Subjects by Vocabulary

Microsoft Academic Graph classification: Wastewater Soil column Environmental science Soil science Hydrus 1d

Keywords

Environmental Engineering, SDS, Soil column, HYDRUS-1D, Contaminant transport, GWT, Wastewater., General Engineering, C5185029320/2020©BEIESP, 2249-8958, Computer Science Applications

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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